10000130129981 has 2 divisors, whose sum is σ = 10000130129982. Its totient is φ = 10000130129980.

The previous prime is 10000130129917. The next prime is 10000130130019. The reversal of 10000130129981 is 18992103100001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9917044949956 + 83085180025 = 3149134^2 + 288245^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000130129981 - 2⁶ = 10000130129917 is a prime.

It is a super-2 number, since 2×10000130129981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000130179981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000065064990 + 5000065064991.

It is an arithmetic number, because the mean of its divisors is an integer number (5000065064991).

Almost surely, 2^{10000130129981} is an apocalyptic number.

It is an amenable number.

10000130129981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000130129981 is an equidigital number, since it uses as much as digits as its factorization.

10000130129981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

Adding to 10000130129981 its reverse (18992103100001), we get a palindrome (28992233229982).

The spelling of 10000130129981 in words is "ten trillion, one hundred thirty million, one hundred twenty-nine thousand, nine hundred eighty-one".